Find the best tutors and institutes for Class 11 Tuition
Hydrocarbons EXERCISES Solutions
- Q9.1: How do you account for the formation of ethane during chlorination of methane ?
- Q9.10: Why is benzene extra ordinarily stable though it contains three double bonds?
- Q9.11: What are the necessary conditions for any system to be aromatic?
- Q9.12(i): Explain why the following systems are not aromatic? (i)
- Q9.12(ii): Explain why the following systems are not aromatic? (ii)
- Q9.12(iii): Explain why the following systems are not aromatic? (iii)
- Q9.13(i): How will you convert benzene into (i) $p$-nitrobromobenzene
- Q9.13(ii): How will you convert benzene into (ii) $m$-nitrochlorobenzene
- Q9.13(iii): How will you convert benzene into (iii) $p$-nitrotoluene
- Q9.13(iv): How will you convert benzene into (iv) acetophenone?
- Q9.14: In the alkane $H_3C-CH_2-C(CH_3)_2-CH_2-CH(CH_3)_2$, identify $1^{\circ},2^{\circ},3^{\circ}$ carbon atoms and give the number of H atoms bonded to each one of these.
- Q9.15: What effect does branching of an alkane chain has on its boiling point?
- Q9.16: Addition of HBr to propene yields 2-bromopropane, while in the presence of benzoyl peroxide, the same reaction yields 1-bromopropane. Explain and give mechanism.
- Q9.17: Write down the products of ozonolysis of 1,2-dimethylbenzene ($o$-xylene). How does the result support Kekulé structure for benzene?
- Q9.18: Arrange benzene, $n$-hexane and ethyne in decreasing order of acidic behaviour. Also give reason for this behaviour.
- Q9.19: Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?
- Q9.2(a): Write IUPAC names of the following compounds : (a) $CH_3CH=C(CH_3)_2$
- Q9.2(b): Write IUPAC names of the following compounds : (b) $CH_2=CH-C \equiv C-CH_3$
- Q9.2(c): Write IUPAC names of the following compounds : (c)
- Q9.2(d): Write IUPAC names of the following compounds : (d)
- Q9.2(e): Write IUPAC names of the following compounds : (e)
- Q9.2(f): Write IUPAC names of the following compounds : (f)
- Q9.2(g): Write IUPAC names of the following compounds : (g)
- Q9.20(i): How would you convert the following compounds into benzene? (i) Ethyne
- Q9.20(ii): How would you convert the following compounds into benzene? (ii) Ethene
- Q9.20(iii): How would you convert the following compounds into benzene? (iii) Hexane
- Q9.21: Write structures of all the alkenes which on hydrogenation give 2-methylbutane.
- Q9.22(a): Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, $E^+$ (a) Chlorobenzene, 2,4-dinitrochlorobenzene, $p$-nitrochlorobenzene
- Q9.22(b): Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, $E^+$ (b) Toluene, $p-H_3C-C_6H_4-NO_2$, $p-O_2N-C_6H_4-NO_2$.
- Q9.23: Out of benzene, $m$-dinitrobenzene and toluene which will undergo nitration most easily and why?
- Q9.24: Suggest the name of a Lewis acid other than anhydrous aluminium chloride which can be used during ethylation of benzene.
- Q9.25: Why is Wurtz reaction not preferred for the preparation of alkanes containing odd number of carbon atoms? Illustrate your answer by taking one example.
- Q9.3(a): For the following compounds, write structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated : (a) $C_4H_8$ (one double bond)
- Q9.3(b): For the following compounds, write structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated : (b) $C_5H_8$ (one triple bond)
- Q9.4(i): Write IUPAC names of the products obtained by the ozonolysis of the following compounds : (i) Pent-2-ene
- Q9.4(ii): Write IUPAC names of the products obtained by the ozonolysis of the following compounds : (ii) 3,4-Dimethylhept-3-ene
- Q9.4(iii): Write IUPAC names of the products obtained by the ozonolysis of the following compounds : (iii) 2-Ethylbut-1-ene
- Q9.4(iv): Write IUPAC names of the products obtained by the ozonolysis of the following compounds : (iv) 1-Phenylbut-1-ene
- Q9.5: An alkene ‘$A$’ on ozonolysis gives a mixture of ethanal and pentan-3-one. Write structure and IUPAC name of ‘$A$’.
- Q9.6: An alkene ‘$A$’ contains three $C-C$, eight $C-H$ $\sigma$ bonds and one $C-C$ $\pi$ bond. ‘$A$’ on ozonolysis gives two moles of an aldehyde of molar mass 44 u. Write IUPAC name of ‘$A$’.
- Q9.7: Propanal and pentan-3-one are the ozonolysis products of an alkene? What is the structural formula of the alkene?
- Q9.8(i): Write chemical equations for combustion reaction of the following hydrocarbons: (i) Butane
- Q9.8(ii): Write chemical equations for combustion reaction of the following hydrocarbons: (ii) Pentene
- Q9.8(iii): Write chemical equations for combustion reaction of the following hydrocarbons: (iii) Hexyne
- Q9.8(iv): Write chemical equations for combustion reaction of the following hydrocarbons: (iv) Toluene
- Q9.9: Draw the cis and trans structures of hex-2-ene. Which isomer will have higher b.p. and why?
Chapters in CBSE - Class 11 Chemistry
Top Tutors who teach Hydrocarbons
Top Tutor 
Banashankari, Bangalore 
4 yrs of Exp 
9 students 
271 hrs of classes completed 
600 per hour 
Online Classes I am a commerce postgraduate from Pune University. Currently I am pursuing Ph.D in Commerce at one of the prestigious institutes for Commerce studies- Christ University, Bangalore. I have taught all the subjects of commerce to 11th & 12th Students since 4 years and BCom since 2 years. I have a good command on economics & accounts. I have a passion for teaching and have good understanding and practical exposure of these subjects. I also havd remotely worked as a Manager of Finance for a private firm in Maharashtra which makes me well versed in practical application of the subjects I teach.
Liked the same. This was 1st time she got exposed to accountancy and she loved the way things were explained to her.
Top Tutor Sakinaka East, Mumbai 5 yrs of Exp 47 hrs of classes completed 1500 per hour Online Classes 
Student's Home 
Tutor's home Starting from fundamentals of the subject and explaining in such a way that the student feels comfortable with the subject. Repeating the difficult topics and conducting weekly tests so that the student gets the confident over the subject.
Top Tutor Sector 9, Faridabad 8 yrs of Exp 6 students 1270 hrs of classes completed 250 per hour Online Classes Tutor's home XI standard students required basic teaching as well as preparing them to get ready for boards in future . Their curiosity for new subjects needs to be given right direction. Their knowledge as well as concepts needs to be enhanced at every step. By joining my classes they will be well prepared for their board class.
My experience in Ms Sanya's tution was very good. The concepts were taught very well. The doubts were cleared easily. The speed of teaching was perfect. Increased my grades compared to my grades before joining this tution. A very comfortable relationship with the teacher. Would like to conclude by thanking Ms Sanya for her wonderful efforts.
Top Tutor Patel Nagar, Delhi 8 yrs of Exp 1 student 22 hrs of classes completed 1500 per hour Online Classes I am Geoscientist and a graduate from IIT Roorkee. I have been teaching since 2014 while attending my B.Tech + M.Tech at IIT. I am passionate about sharing my knowledge to enable students understand mathematics and physics with clarity. My students have qualified JEE. I would love to give you a demo and let you decide.
Top Tutor Amravati Camp, Amravati 4 yrs of Exp 9 students 1263 hrs of classes completed 350 per hour Online Classes I have been teaching Class 11 Chemistry for the past 4 years, helping students from CBSE, ICSE, and Maharashtra State Board build a strong conceptual foundation. I understand that Class 11 acts as a turning point where the syllabus takes a major leap from basic science to advanced Chemistry, and many students find this transition challenging. Over the years, I have developed a student-friendly, structured teaching approach to make Chemistry interesting, easy to understand, and relevant to both board exams and competitive exams like NEET, MHT-CET, and JEE (Chemistry section). For Board-focused students, I ensure complete coverage of the NCERT and State Board syllabus, with special emphasis on: ✔ Concept clarity in Physical, Organic, and Inorganic Chemistry ✔ Step-by-step explanations of complex topics like Thermodynamics, Chemical Bonding, States of Matter, Hydrocarbons, etc. ✔ Regular tests, assignments, and chapter-wise revisions ✔ Easy-to-understand notes and doubt-solving sessions ✔ Focus on presentation, writing skills, and time management for board exams For students aiming for competitive exams, I help lay the right foundation from Class 11 itself. My teaching style focuses on: ✔ Explaining application-based concepts that appear in NEET, JEE, and CET ✔ Quick problem-solving techniques and shortcut methods ✔ MCQ practice sessions, concept-based numericals, and test series ✔ Strengthening fundamental understanding to reduce fear of tough topics ✔ Providing exam-oriented tips and tricks Apart from academics, I also try to make Chemistry relatable to real life, so students not only prepare for exams but also develop genuine interest in the subject. I encourage students to ask questions, explore concepts practically, and overcome their fear of Chemistry. I teach in English, Hindi, or Marathi, depending on the student's comfort level, ensuring every learner feels confident and supported. Many of my students have seen a remarkable improvement in their understanding, confidence, and academic performance in Class 11, which reflects in their Class 12 and entrance exam success as well. If you're looking for personalized, stress-free Chemistry coaching for Class 11, whether for board exams or competitive exams, I’d be glad to guide you.
Ms.Gargee is fabulous teacher.She is very patient while teaching and clears all doubts.She drives you into the beautiful world of chemistry,she made me academically very strong in not only chemistry but also mathematics.Feel very grateful to have her as my teacher.Strongly recommend her.
